1. Institute of Tropical Medicine, Antwerp, Belgium
2. Flanders Interuniversity Institute for Biotechnology of Ghent University, Zwijnaarde, BelgiumGhent University, Merelbeke, Belgium
3. Ghent University, Merelbeke, Belgium
4. Institute of Tropical Medicine, Antwerp, BelgiumNoguchi Memorial Institute for Medical Research, Legon, Ghana
5. Armed Forces Institute of Pathology, Washington, DC, USA